Home / 4,890.35-7,334.78-1,603.44

Finding the Fourth Proportional to 4,890.35, 7,334.78 and 1,603.44

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Solution

The fourth proportional to 4,890.35, 7,334.78 and 1,603.44 is: 2,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.35 : 7,334.78 = 1,603.44 : x
  2. Step 2: Convert to fraction form
    4,890.35/7,334.78 = 1,603.44/x
  3. Step 3: Cross multiply
    4,890.35x = 7,334.78 × 1,603.44
  4. Step 4: Simplify right side
    4,890.35x = 11,760,879.64
  5. Step 5: Solve for x
    x = 11,760,879.64/4,890.35
  6. Step 6: Final answer
    x = 2,404.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.